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Partial power? please help!

Last response: in Systems
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February 16, 2013 6:39:10 PM

Hello,

My simple home-build is driving me crazy. Pressing the power button, she'll light up for about half a second, then nada. HDD doesn't spin (new, also new power supply & motherboard), nothing.

Any ideas?

More about : partial power

a b ) Power supply
February 16, 2013 6:40:22 PM

blondie7 said:
Hello,

My simple home-build is driving me crazy. Pressing the power button, she'll light up for about half a second, then nada. HDD doesn't spin (new, also new power supply & motherboard), nothing.

Any ideas?


full specs please
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February 16, 2013 11:20:20 PM

Intel DG41RQ with core 2 duo processor
650 watt power supply
4G ram
Running Vista
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Related resources
a b ) Power supply
February 16, 2013 11:34:01 PM

blondie7 said:
Intel DG41RQ with core 2 duo processor
650 watt power supply
4G ram
Running Vista


make and model of the power supply please.
Any graphics card installed? If so model of that please
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February 16, 2013 11:43:39 PM

Blur Star 650W sata led fan atx w/pci express
PNY GeForce 9500GT DDR2 512M
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a b ) Power supply
February 16, 2013 11:48:50 PM

blondie7 said:
Blur Star 650W sata led fan atx w/pci express
PNY GeForce 9500GT DDR2 512M


You just bought the Blue Star power supply? Just curious, where?
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February 16, 2013 11:50:00 PM

Ebay
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a b ) Power supply
February 17, 2013 12:02:50 AM

blondie7 said:
Ebay


Most likely you got a bad one. I would guess you paid less than $20?

You need a good power supply. Good power supplies come from Seasonic, Corsair, XFX, Antec to name a few.
Is your motherboard an ATX standard? I can figure it out with the make and model if you don't know.
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February 17, 2013 12:08:03 AM

Not sure on the motherboard. I took the power supply out & put it I'm my husband's pc. Power supply works. Same with the ram. This thing is driving me nuts. It's probably something small & stupid that I'm missing.
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a b ) Power supply
February 17, 2013 12:11:54 AM

blondie7 said:
Not sure on the motherboard. I took the power supply out & put it I'm my husband's pc. Power supply works. Same with the ram. This thing is driving me nuts. It's probably something small & stupid that I'm missing.


Well that is good troubleshooting. Does your husband's pc have a video card and if so which one? Did you let it boot up?

Can you test your Video card in your husband's pc?, CPU?
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February 17, 2013 12:13:20 AM

Lol! Working on that now.
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February 17, 2013 12:36:37 AM

Can't test cpu or video card. Not compatible.
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February 17, 2013 12:40:16 AM

make sure your plugging in the 4-pin ATX connector on the MOBO
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a b ) Power supply
February 17, 2013 12:41:14 AM

So the video card is AGP?
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February 17, 2013 12:43:31 AM

tripledouce said:
make sure your plugging in the 4-pin ATX connector on the MOBO


Triple checked that one.
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February 17, 2013 12:45:13 AM

jnkweaver said:
So the video card is AGP?


AGP? Sorry, not up with the lingo yet...
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February 17, 2013 12:47:40 AM

no the GPU is PCI-E
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a b ) Power supply
February 17, 2013 12:48:26 AM

blondie7 said:
AGP? Sorry, not up with the lingo yet...


AGP would have been a very old card (2003-2005). Why is the video card not compatible with your husband's computer?

Why did you get a new motherboard and power supply?
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February 17, 2013 12:48:43 AM

is there any external power connections on the video card that your missing?
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February 17, 2013 1:02:31 AM

jnkweaver said:
AGP would have been a very old card (2003-2005). Why is the video card not compatible with your husband's computer?

Why did you get a new motherboard and power supply?


Original build was 5-6 years ago. Until now, only thing that had gone bad was the CPU. Symptoms listed above started a week ago. Parts replaced on advice from company "IT guy".
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February 17, 2013 1:04:28 AM

jnkweaver said:
AGP would have been a very old card (2003-2005). Why is the video card not compatible with your husband's computer?

Why did you get a new motherboard and power supply?



Also, hubby's computer is an even older Dell. No pci express slot.
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a b ) Power supply
February 17, 2013 1:24:38 AM

blondie7 said:
Also, hubby's computer is an even older Dell. No pci express slot.


All right if there is a momentary input then nothing that means either the mb is grounded, a bad mb, or bad psu. You eliminated the psu so we are down to mb.

If you are sure all the standoffs were placed properly that would eliminate the grounding issue.

Based on nothing staying on ( I assume that means case fans and cpu cooler fan) then that is a bad mb. Return it. for another one.
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February 17, 2013 1:37:02 AM

jnkweaver said:
All right if there is a momentary input then nothing that means either the mb is grounded, a bad mb, or bad psu. You eliminated the psu so we are down to mb.

If you are sure all the standoffs were placed properly that would eliminate the grounding issue.

Based on nothing staying on ( I assume that means case fans and cpu cooler fan) then that is a bad mb. Return it. for another one.


That's kinda where my thoughts were heading. I'll double check for grounding first, then return the motherboard. Thanks so much for your help!
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